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OKLY
post Jun 22 2020, 02:43 PM

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QUOTE(Thrust @ Jun 5 2020, 02:14 PM)
I tested my battery with a Lancol battery tester.

State of Health is 66%
State of Charge is 98%
CCA is 280A
Resistance is 10.8
Voltage is 12.81

It promoted me to replace the battery. Should I replace it? Battery is NS40ZL with 2.5 years of usage.
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My usual battery shop’s guideline for recommending a replacement is when SOH falls below 50%. I guess yours will be ok for a while more, perhaps try checking its health again at the end of this year.
boxer07
post Jun 22 2020, 03:51 PM

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QUOTE(OKLY @ Jun 22 2020, 02:43 PM)
My usual battery shop’s guideline for recommending a replacement is when SOH falls below 50%. I guess yours will be ok for a while more, perhaps try checking its health again at the end of this year.
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Wow . Still can tahan till end of the year ? Normally its failing soon ...
NeoMnemonic
post Jun 22 2020, 04:54 PM

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GP RACE Calcium gooding yo
Ultra+
post Jun 30 2020, 07:29 PM

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Hi sifu here,

My accord battery flat & unable to start due to didnt start for 3 weeks. Battery only changed last year...

Can i use 12V battery charger to charge it? do i need to take out the battery first? After charge it the battery can continue use or should replace already?

Pls help to advise. Thx!
Zack Styler
post Jun 30 2020, 08:42 PM

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QUOTE(Ultra+ @ Jun 30 2020, 07:29 PM)
Hi sifu here,

My accord battery flat & unable to start due to didnt start for 3 weeks. Battery only changed last year...

Can i use 12V battery charger to charge it? do i need to take out the battery first? After charge it the battery can continue use or should replace already?

Pls help to advise. Thx!
*
yes you can use a trickle charger to get the battery charged.. usually for Ctek there is no need to remove the battery from the car..

can test with battery tester after that to determine the battery health, but usually it should be fine to use..
Ultra+
post Jul 1 2020, 06:49 PM

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Thanks Zack.

I read that it is recommended to disconnect all the wires from the car battery before charging, is that right?
speedy3210
post Jul 1 2020, 09:37 PM

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Already mentioned by fellow forumer that there is NO need to disconnect battery terminals when being charged by smart battery chargers like Ctek or Bosch C3/C7 etc. Have not faced any problem with this kind of charging for the past 10yrs with smart chargers that I have owned.

Better buy smart charger with constant 12v power supply mode (on top or the normal smart charging mode), for e.g. Bosch C7, to force charge a depleted battery with very low voltage (something like below 10v). Most probably you will need this feature to revive your severely undercharged battery.

Recharged my kampung's Saga BLM battery (Camel brand NS60) this way twice, successfully, thanks to C7. Amount of money saved is way more than the cost of C7 itself.

This post has been edited by speedy3210: Jul 1 2020, 09:44 PM
Roman Catholic
post Jul 1 2020, 11:41 PM

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QUOTE(Ultra+ @ Jul 1 2020, 06:49 PM)
Thanks Zack.

I read that it is recommended to disconnect all the wires from the car battery before charging, is that right?
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Why is it recommended to do that ?
Ultra+
post Jul 2 2020, 11:33 AM

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QUOTE(speedy3210 @ Jul 1 2020, 09:37 PM)
Already mentioned by fellow forumer that there is NO need to disconnect battery terminals when being charged by smart battery chargers like Ctek or Bosch C3/C7 etc. Have not faced any problem with this kind of charging for the past 10yrs with smart chargers that I have owned.

Better buy smart charger with constant 12v power supply mode (on top or the normal smart charging mode), for e.g. Bosch C7, to force charge a depleted battery with very low voltage (something like below 10v). Most probably you will need this feature to revive your severely undercharged battery.

Recharged my kampung's Saga BLM battery (Camel brand NS60) this way twice, successfully, thanks to C7. Amount of money saved is way more than the cost of C7 itself.
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Thanks for advice.

Regret not buying Ctek or Bosch... instead bought those cheap unbranded 12v charger and i'm not sure whether it is smart charger or not... sweat.gif

i scared without disconnecting car wiring to battery, it may damage car's electronics while charging.
Ultra+
post Jul 2 2020, 11:34 AM

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QUOTE(Roman Catholic @ Jul 1 2020, 11:41 PM)
Why is it recommended to do that ?
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Coz got lazada seller advise that... rclxub.gif

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